Science News - The Hindu

If we would be able to keep the two liquids in a glass they would separate with a clear interface in between, as for water and oil

The best from the science journals: Two liquids of water

Here is some of the most interesting research to have appeared in top science journals last week

1hr

Australian telescope maps three million galaxies in just 300 hours

4hrs

Bernard Piguet, director and auctioneer of Piguet Auction House prepares the skeleton of a 37 million year-old saber-toothed tiger hoplophoneus primaveus during an auction preview in Geneva, Switzerland December 1, 2020.

Rare U.S. saber-toothed tiger skeleton up for auction

Reuters It is 37 million years old

4hrs

A Long March 5 rocket carrying China’s Chang’e-5 lunar probe launches from Wenchang Space Centre, on November 24, 2020. China successfully landed a spacecraft on the moon's surface on December 1, 2020 in a historic mission to retrieve lunar surface samples, Chinese state media reported.

China successfully lands spacecraft on moon to retrieve lunar rocks

Reuters The lander vehicle that touched down on the moon's surface was one of several spacecraft deployed by the Chang’e-5 probe.

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Hackers can trick scientists into creating deadly viruses.

Hackers can trick scientists into creating deadly viruses

Aditya Saroha The team said hackers do not need to be physically present in order to access any dangerous substance.

5hrs

Changing world: Adult female from Durban (A), compared with an adult male (yellow throat patch) and female from Mauritius (B).

Guttural toads shrunk in size on two islands

Aswathi Pacha Males shrunk by 22% , females by 33.9% compared to South African counterparts

A sand art on the Bay of Bengal at Puri created by sand artist Sudarshan Patnaik ahead of World AIDs Day. File

World AIDS Day | India must gear up to end HIV/AIDS by 2030: experts

Special Correspondent COVID-19 has hurt country’s policy of ‘test and treat’

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Watch | Two decades of humans living in space

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The best from the science journals: Two liquids of water

Australian telescope maps three million galaxies in just 300 hours

Rare U.S. saber-toothed tiger skeleton up for auction

Hackers can trick scientists into creating deadly viruses

China successfully lands spacecraft on moon to retrieve lunar rocks

World AIDS Day | India must gear up to end HIV/AIDS by 2030: experts

Coronavirus | DCGI and institutional ethics committee investigating claim of adverse event in COVID-19 vaccine trial: officials

A Chennai-based COVID-19 vaccine trial participant has sought a compensation of ₹5 crore and that the testing, manufacturing and distribution of the vaccine be stopped immediately

The Hindu Explains | Would space exploration survive in the era of privatisation?

Why is NASA’s SpaceX Crew-1 launch significant? What are the other trends in the commercial space sector?

The Hindu Explains | How are cyclones forecast, and how difficult was it to track Cyclone Nivar’s progress?

Why was the Nivar storm easier to track, and how do meteorological warnings help in preparation?

Pilot study finds potential signal indicative of loss of tone in blood vessels after cardiac surgery

The researchers noted a weakening of possible repair mechanisms of blood vessels in patients who showed clinically significant vasoplegia

Changing frontiers

Is the tropical zone of Earth expanding?The planet Earth is divided into three climate zones: Tropical, temperate and frigid. The tropical zone

Coronavirus | RT-LAMP: a new technology for detecting COVID-19

Speed, simplicity and cost-effectiveness make this an ideal method for diagnosis

New species of gecko found in the Eastern Ghats

This is the twelfth species to be discovered outside the Western Ghats

Guttural toads shrunk in size on two islands

Males shrunk by 22% , females by 33.9% compared to South African counterparts

New species of burrowing frog named after Bengaluru

Sphaerotheca Bengaluru is being named after the city to highlight the lacunae in documentation of amphibians from non-forested areas and to restore frog habitats in Bengaluru.

Science Ministry recruitment notice highlights bigamy disqualification clause

‘For it to be prominently highlighted looks like moral policing,’ says a serving bureaucrat.

From plankton to dinosaur: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Sweden getting on board India’s Venus mission with payload to explore planet

Sweden is getting on board India’s Venus orbiter mission ‘Shukrayaan’ with a scientific instrument to explore the planet.Ambassador of Sweden to

Biomineral body armour protects leaf-cutter ant in battle: study

It also helps protect them against infection from the disease-causing fungus Metarhizium anisopliae, which might otherwise spread quickly through their dense colonies.

Coronavirus | Sputnik V COVID-19 vaccine shows interim efficacy of 91%

Sputnik V vaccine is also being tested on human volunteers in India and will cost “less than $10 [₹700] for international markets”, RDIF says in statement

Charles Darwin notebooks ‘stolen’ from Cambridge University

The University Librarian, Jessica Gardner, released a video statement appealing to the public to help

China calls launch a success as robotic spacecraft heads to moon

The original mission, planned for 2017, was delayed due to an engine failure in the Long March 5 rocket.

Delighted over Oxford-AstraZeneca vaccine’s efficacy: Adar Poonawalla

Varying dosage regimen shows upto 90% efficacy

Oxford vaccine shows 90% efficacy in Phase-3 trial

Unlike in the case of the mRNA vaccines from Pfizer and Moderna, the Oxford vaccine showed “early indication” that the regimen where a half-dose prime and a full-dose booster was used could reduce virus transmission.

Data from Curiosity rover hints at ancient megaflood in Mars: study

The most likely cause of the Mars flooding was the melting of ice from heat generated by a large impact, which released carbon dioxide and methane from the planet’s frozen reservoirs

The best from the science journals: Bees of the world, Unite!

Here is some of the most interesting research to have appeared in top science journals last week

Huge Puerto Rico radio telescope to close in blow to science

The announcement saddened many beyond the scientific world as well, with the hashtag #WhatAreciboMeansToMe popping up on Twitter along with pictures of people working, visiting and even getting married or celebrating a birthday at the telescope.

Watch | Two decades of humans living in space

In November 2000, three astronauts stepped into NASA's International Space Station. Since then, more than 240 men and women have lived in space.

U.S.-European ocean monitoring satellite launches into orbit

The measurements are important for understanding overall sea level rise due to global warming

The Hindu Explains | Who are the top contenders in the race for a COVID-19 vaccine?

What are the hurdles in the way to stem the march of the SARS-CoV-2 virus?

A successful solution to the ‘slash and burn’ problem

Field trials of the Pusa decomposer in Delhi, Haryana region show promise

Question Corner: Why do some tarantulas have vivid blue and green colours?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Ethics of denying COVID-19 vaccine to placebo group

Offering to the placebo group will mean unblinding the study, making it almost impossible to gather further information on vaccine efficacy.

Twice hit by climate change

Global warming may have killed many dinosaurs 179 MYA

How kala-azar was eliminated from a highly endemic district in Bihar

Integrated control strategy in Vaishali district helped reduce cases from 664 in 2014 to 163 in 2016

Indian-American doctor identifies possible COVID-19 treatment

“Understanding the pathways and mechanism driving this inflammation is critical to develop effective treatment strategies,” says Dr. Thirumala-Devi Kanneganti

Scientists discover oldest known human-made nanostructures in ancient artifacts in Tamil Nadu

Research reveals that these coatings are made of carbon nanotubes (CNTs) which have enabled the layer to last more than 2,600 years

‘Initial support will cover 92 low- and middle-income economies for COVID-19 vaccines’, says Gavi the Vaccine Alliance CEO Seth Berkley

Gavi the Vaccine Alliance has reserved 1 billion doses to bolster nations’ efforts

1st animal study in India on coronavirus moves to its final stage: AYUSH Ministry

It describes the study as one of the most sophisticated research projects in the country.

Coronavirus | Oxford University COVID-19 vaccine ‘encouraging’ for older age groups: study

This means there are now four promising vaccines on the horizon after Pfizer-BioNTech, Sputnik and Moderna already reporting good preliminary data from Phase 3 trials

Coronavirus | Study reveals how smoking worsens COVID-19 infection in the airways

"If you think of the airways like the high walls that protect a castle, smoking cigarettes is like creating holes in these walls," said Brigitte Gomperts, a co-author of the study

From Vitamins to NASA: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Know the scientist: Sir Lawrence Bragg

He was awarded the Hughes Medal of the Royal Society in 1931

Coronavirus | Pfizer ends COVID-19 vaccine trial with 95% efficacy, to seek emergency-use authorisation

Moderna Inc on November 16 released preliminary data for its vaccine, showing similar effectiveness.

Bad cabling blamed for failed launch of European satellites

The Vega rocket was carrying Spain’s first Earth observation satellite, called SEOSAT-Ingenio, and TARANIS, a French satellite designed to observe events in the upper atmosphere

Can surgical masks be reused?

The U.S. Food and Drug Administration (FDA) recommends — in emergency circumstances — hydrogen peroxide vapour to decontaminate the N95 masks worn by healthcare workers.　

WHO launches strategy to accelerate elimination of cervical cancer

“We want countries to aim for 90% of girls under 15 vaccinated, 70% of eligible women identified and treated, 90% of women with invasive cancer treated,” Dr. Princess Nothemba Simelela from South Africa, WHO assistant director general, told a news briefing.

Building blocks of life can form long before stars: study

The researchers showed that it is possible for glycine to form on the surface of icy dust grains of comets, in the absence of energy, through ‘dark chemistry’

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